On Nov 20, 2003, at 1:44 AM, YAMAMOTO Takashi wrote:
> this reminds me of my old patches.. (attached)
Ah, this would be to eliminate the need to even map stuff into KVM at
all, unless the underlying driver really needed to do so (e.g. for
PIO).
Yes, I would like to see that in our tree one of these days. We could
squeeze a fair bit more performance out of the I/O subsystem by
eliminating all of that silly MMU frobbing.
-- Jason R. Thorpe <thorpej@wasabisystems.com>